Please enable JavaScript.

Coggle requires JavaScript to display documents.

SYSTEM SOFTWARE - Coggle Diagram

- - - - Privately owned and limited to a specific vendor or computer model and need yearly licences.
    - - Software which can be used , modified and improved by anyone and can be redistributed freely.
- - - - A complete operating system that works on a desktops , laptops and some tablets.
      - EXAMPLES
        
        Popriety Desktop OS
        
        Windows
        
        macOS
        
        Open Source Desktop OS
        
        Chrome OS
        
        Linux
    - - An operating system that resides on mobile devices such as smartphones.
      - EXAMPLES
        
        Propriety Mobile OS
        
        IOS
        
        Window (Mobile Edition)
        
        Open Source Mobile OS
        
        Android
        
        Tizen
    - - A multiuser operating system that organizes and coordinates how multiple users access and share resources on a network
      - EXAMPLES
        
        Propriety Server OS
        
        Window Server
        
        macOS Server
        
        Open Source Server OS
        
        Ubuntu
        
        Linux
  - - - Starting computer's and mobile devices
        
        The process of starting of restarting a computer or mobile devices called booting ( Cold boot & Warm boot)
      - 3 ways of shutting down computers and mobile devices:
        
        1. Shutting down / log off.
        
        2. Sleep mode
        
        3. Hibernate
    - - Provide interface (UI) controls how enter data and instructions and how information s displayed on the screen.
      - 2 technique of user interface;
        
        Command-line user interface
        
        Disadvantage: Difficult to use since user have to type the exact spelling and punctuation.
        
        Graphical User Interface (GUI)
        
        Advantage Easier to use as use can click the instructions provided in the form of menu.
- - - - EXAMPLES - Windows explorer & Finder
      - FUNCTIONS - display a list of file , organize files in folder , copy remove delete move and sort file , 7 create shortcuts.
    - - EXAMPLES -Windows Disk Clean up & Avast Clean Premium
      - FUNCTIONS - Downloaded program files , temporary internet files , delete files & unused programs files
    - - 3. Compression tools
        
        EXAMPLES -WinZip & WinRAR
        
        UNCTIONS - to shrink of file
    - - EXAMPES -Kaspersky Antivirus& Avira Antivirus
      - FUNCTION to protect a computer against viruses by identifying and removing any computer virus
    - - EXAMPLES - Spyware Protection& SpyHunter
      - FUNCTIONT - to detects and deletes spyware
    - - EXAMPLES -AdwCleaner & Bitdefender
      - FUNCTION -to detect and deletes adware
    - - EXAMPLES WinConting & MyDefrag
      - FUNCTION - to reorganizes file and unused space on a hard disk for optimal efficiency.
    - - EXAMPLES IDrive & iCloud Backup
      - FUNCTION (backup) - Allow users to copy selected files or the entire hard disk to another storage medium .
      - FUNCTION (restore) - Restore data form a back up to the original storage location or to a replacement device